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春季施肥
释义
春季施肥
Encyclopedia
农学
春季施肥
释
spring fertilization
春季施肥
春季根据作物需肥特性开展的施肥活动。即春玉米、春小麦等各种春播作物,进行春季育苗、移栽的果树和播种的蔬菜,冬小麦、冬油菜等越冬作物,以及越冬后的果树和大棚蔬菜等,春季需根据土壤养分供应情况和作物养分需求规律,结合整地施用基肥或种肥,或进行追肥。
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density of states, DOS
density of the thinnest lattice sphere coverings
density of the thinnest sphere covering
density of volumetric hydrogen storage
density operator
density parameter
density peak
density perturbation
density point
density profile
density secondary standard device
density sensor
density-size relation
density slicing
density structure of lithosphere
density structure of the upper mantle
density test
density theorem
density threshold
density topology
density variable
density variation
density wave
density-wave instabilities
density-wave model
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